[RFC] Initial attempt to make ARM use LMB

[Russell King - ARM Linux]

On Mon, May 17, 2010 at 12:38:55PM +0300, Grazvydas Ignotas wrote:
> On Fri, May 14, 2010 at 1:16 PM, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
> >> because it also uses reserve_bootmem() in
> >> drivers/video/omap2/vram.c and later ioremap on RAM. Perhaps LMB can
> >> be used to fix that too?
> >
> > WTF is reserve_bootmem doing in a driver?
> 
> IIRC Tony refused any new fb related code in arch/arm/*omap* so it
> ended up there (or maybe because of something else, not that I had
> anything to do with this).

Can someone please answer these questions:

1. why does the framebuffer need to _reserve_ a set of specific sections
   of SDRAM rather than _allocate_ a set of sections?
2. what range of sizes of SDRAM does the framebuffer driver need?